CN104677581B - Charger and the bean column node shock test system based on the charger - Google Patents
Charger and the bean column node shock test system based on the charger Download PDFInfo
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- CN104677581B CN104677581B CN201510070321.3A CN201510070321A CN104677581B CN 104677581 B CN104677581 B CN 104677581B CN 201510070321 A CN201510070321 A CN 201510070321A CN 104677581 B CN104677581 B CN 104677581B
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- reaction frame
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Abstract
The invention discloses a kind of charger and the bean column node shock test system based on the charger, including X-shaped base, four reaction frame quadrate steel pipe columns, four the first reaction frame crossbeams, four the second reaction frame crossbeams, four 3rd counter-force frame crossbeams, four the short cant beams of the first reaction frame, four the short cant beams of the second reaction frame, two the first girder steels；Space frame beam column node shock test system of the present invention includes the first jack, four the second jack and self-balancing reaction frame charger.The apparatus and system can realize the shock test of space frame beam column node.
Description
Technical field
The present invention relates to a kind of anti-seismic performance field tests, are related to a kind of charger and the beam based on the charger
Column border node shock test system.
Background technology
General space frame beam column node Study on behavior is mainly carried out using the unidirectional loading system of planar horizontal, only
It is applied to plane bean column node.Assay device is broadly divided into styletable loading and beam-ends loads two classes, in styletable with beam-ends generally individually
In the form of unidirectional hinge, cause post that the deformation in plane can only occur, and out-of-plane deformation cannot be produced, beam can only also be sent out
Raw can not twist deformation around the flexural deformation of its own axis.
In order that the research of space frame beam column node stress performance is truer so as to can really reflect that earthquake is made
With the spatial organization effect to space frame beam column node, overcome using plane framework bean column node in test specimen one direction (plane
Interior) loading when do not consider impact of the load action in other directions (outside plane) to bean column node actual performance, need to invent one
The bean column node performance test apparatus that can be further applied load respectively are planted along the axis direction of two major axes orientations of beam column or post.
Content of the invention
It is an object of the invention to overcoming the shortcoming of above-mentioned prior art, there is provided a kind of charger and based on should plus
The bean column node shock test system that puts is carried, the apparatus and system can realize the shock test of space frame beam column node.
For reaching above-mentioned purpose, charger of the present invention include X-shaped base, four reaction frame quadrate steel pipe columns, four
Individual first reaction frame crossbeam, four the second reaction frame crossbeams, four 3rd counter-force frame crossbeams, four short cant beams of the first reaction frame,
The short cant beam of four the second reaction frames, two the first girder steels；
The X-shaped base is made up of the second girder steel of two cross-distribution, the lower end difference of four reaction frame quadrate steel pipe columns
It is fixed on the both sides of two the second girder steels；
The two ends of the first reaction frame crossbeam, the two ends of the second reaction frame crossbeam, 3rd counter-force frame crossbeam two ends equal
It is connected with the side of two neighboring reaction frame quadrate steel pipe column respectively, and the first reaction frame crossbeam, the second reaction frame crossbeam and
Three reaction frame crossbeams are sequentially distributed from top to bottom, four the first reaction frame crossbeams, four the second reaction frame crossbeams and four the 3rd
Reaction frame crossbeam defines a square structure, and the two ends of two the first girder steels are individually fixed in four the first reaction frames horizontal strokes
The position at four angles of the square structure that beam is surrounded, and surround two of square structure of four the first reaction frame crossbeams are right
Linea angulata is overlapped with two the first girder steels respectively；
In the square structure that four the second reaction frame crossbeams are surrounded, two neighboring side passes through the short cant beam phase of the first reaction frame
Connection；
In the square structure that four 3rd counter-force frame crossbeams are surrounded, two neighboring side passes through the short cant beam phase of the second reaction frame
Connection.
Also include four the 4th reaction frame crossbeams, the lower end of two neighboring reaction frame quadrate steel pipe column respectively with the 4th reaction frame
The two ends of crossbeam are connected, and four the 4th reaction frame crossbeams define a square structure.
Also include four lateral support, the upper end of four lateral support side phase respectively with four reaction frame quadrate steel pipe columns
The lower end of connection, the lower end of lateral support and reaction frame quadrate steel pipe column is both secured to one end of same second girder steel.
The lateral support defines a triangle knot with the second coupled girder steel and reaction frame quadrate steel pipe column
Structure.
The side that the end of the first reaction frame crossbeam is fixed at the top of reaction frame quadrate steel pipe column.
Bean column node to be measured includes that steel pipe column and four beams, one end of four beams are connected with the side of steel pipe column, and
Angle between two neighboring beam is 90 °, in four beams are generally aligned in the same plane；Bean column node shock test system of the present invention
System includes the first jack, four the second jack and self-balancing reaction frame charger；
The crossover location of two the second girder steels is fixed in the bottom of steel pipe column, and the top of steel pipe column is defeated with the first jack
Shaft is connected, and the base of the first jack is fixed on the position that two the first girder steels intersect；
The output shaft of four the second jack is connected with the side at the top of steel pipe column, on the base of four the second jack
Fixed pulley group is provided with, the side of the short cant beam of the first reaction frame is provided with groove, the fixed pulley component on four the second jack bases
It is not embedded in the groove of the short cant beam of four the first reaction frames；
Four beams are individually fixed on the short cant beam of four the second reaction frames.
It is connected by sliding support between the beam and the short cant beam of the second reaction frame.
The bottom of the steel pipe column is provided with the first universal rigid ball hinged support, and the first universal rigid ball hinged support is fixed on two
The position that individual second girder steel intersects, is provided with the second universal rigid ball hinged support at the top of steel pipe column, the second universal rigid ball is hinged
Seat is fixed on the output shaft of the first jack.
First jack and the second jack are hydraulic jack.
In four second jack are generally aligned in the same plane, and the angle of two neighboring second jack is 90 °.
The invention has the advantages that：
Charger of the present invention and based in the bean column node shock test system of the charger by the
Space frame beam column node to be tested is fixed on self-balancing reaction frame charger by one jack and four the second jack
In, realize applying pressure to the axial direction of steel pipe column in space frame beam column node to be tested by the first jack, and see
The deformation of space frame beam column node axial direction to be tested is examined, by four the second jack in space frame beam column node to be measured
Apply pressure on the different directions of steel pipe column side four, and adjust the second jack pair steel pipe on four direction as needed respectively
Stressed size applied by post, so as to realize making space frame beam column node to be tested to twist deformation, and then realizes to be tested
Space frame beam column node shock test.In addition, adjacent two in the square structure that surrounds of four the second reaction frame crossbeams
Individual side is connected by the short cant beam of the first reaction frame, and the second jack is connected with the short cant beam of the reaction frame, it is to avoid the 2000th
Jin top stress is excessive and cause very heavy top/bottom part that axial displacement occurs, improve the accuracy of test, meanwhile, four 3rd counter-force framves
In the square structure that crossbeam is surrounded, two neighboring side is connected by the short cant beam of the second reaction frame, space frame beam column to be tested
Beam in node is connected with the short cant beam of the second reaction frame, it is to avoid the end that beam is connected with the short cant beam of the second reaction frame occurs axially
Displacement, improve test accuracy；
Further, the lower end of two neighboring reaction frame quadrate steel pipe column is connected with the two ends of the 4th reaction frame crossbeam respectively,
Space frame beam column node to be tested is avoided to twist in deformation process, the second girder steel is deformed with reaction frame steel pipe column,
Improve the accuracy of test；
Further, the upper end of four lateral support is connected with the side of four reaction frame quadrate steel pipe columns respectively, lateral
The lower end of the lower end of support and reaction frame quadrate steel pipe column is both secured to one end of same second girder steel, lateral support, the second girder steel and
Reaction frame quadrate steel pipe column forms an entirety, and lateral support, the second girder steel and reaction frame quadrate steel pipe column define a triangle
Shape structure, it is to avoid in process of the test, the second girder steel and reaction frame quadrate steel pipe column deform.
Description of the drawings
Fig. 1 is the structural scheme of mechanism of charger in the present invention；
Fig. 2 is the structural representation of bean column node to be measured in the present invention；
Fig. 3 is the top view of the embodiment of the present invention；
Fig. 4 is the middle level schematic diagram of the embodiment of the present invention；
Fig. 5 is the main view of the embodiment of the present invention and backsight and left view.
Wherein, 1 be the second girder steel, 2 be steel pipe column, 3 be lateral support, 4 be the first reaction frame crossbeam, 5 be reaction frame side
Steel pipe column, 6 be the short cant beam of the first reaction frame, 7 be the 4th reaction frame crossbeam, 8 be 3rd counter-force frame crossbeam, 9 be the second reaction frame
Crossbeam, 10 be the first girder steel, 11 be the second jack, 12 be beam, 13 be the short cant beam of the second reaction frame, 14 be the first jack.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail：
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, charger of the present invention includes X-shaped base, four reaction frame sides
4, four, the first reaction frame crossbeam, 9, four, the second reaction frame crossbeam, 8, four first, the 3rd counter-force frame crossbeam of steel pipe column 5, four
Short 13, two the first girder steels 10 of cant beam of reaction frame 6, four the second reaction frames of short cant beam；X-shaped base by two cross-distribution
Two girder steels 1 are constituted, and the lower end of four reaction frame quadrate steel pipe columns 5 is individually fixed in the both sides of two the second girder steels 1；First reaction frame
The two ends of crossbeam 4, the two ends of the second reaction frame crossbeam 9,3rd counter-force frame crossbeam 8 two ends respectively with two neighboring reaction frame
The side of quadrate steel pipe column 5 is connected, and the first reaction frame crossbeam 4, the second reaction frame crossbeam 9 and 3rd counter-force frame crossbeam 8 are by upper
It is sequentially distributed under, four the first reaction frame crossbeams, 4, four the second reaction frame crossbeams 9 and four 3rd counter-force frame crossbeams 8 enclose
Into a square structure, the two ends of two the first girder steels 10 are individually fixed in four the first reaction frame crossbeams 4 and just surround
The position at four angles of square structure, and two diagonal difference of square structure that four the first reaction frame crossbeams 4 are surrounded
Overlap with two the first girder steels 10；In the square structure that four the second reaction frame crossbeams 9 are surrounded, two neighboring side passes through first
The short cant beam 6 of reaction frame is connected；In the square structure that four 3rd counter-force frame crossbeams 8 are surrounded, two neighboring side is anti-by second
The short cant beam 13 of power frame is connected.
Present invention additionally comprises four the 4th reaction frame crossbeams 7 and four lateral support 3, two neighboring reaction frame quadrate steel pipe column
5 lower end is connected with the two ends of the 4th reaction frame crossbeam 7 respectively, and four the 4th reaction frame crossbeams 7 define pros
Shape structure；The upper end of four lateral support 3 is connected with the side of four reaction frame quadrate steel pipe columns 5 respectively, under lateral support 3
The lower end of end and reaction frame quadrate steel pipe column 5 is both secured to one end of same second girder steel 1；Lateral support 3 with coupled
Second girder steel 1 and reaction frame quadrate steel pipe column 5 define a triangular structure；It is fixed on anti-the end of the first reaction frame crossbeam 4
Side at the top of power frame quadrate steel pipe column 5.
Heretofore described bean column node to be measured includes steel pipe column 2 and four beams 12, and one end of four beams 12 is and steel pipe
The side of post 2 is connected, and the angle between two neighboring beam 12 is 90 °, in four beams 12 are generally aligned in the same plane；
Bean column node shock test system of the present invention include 14, four the second jack 11 of the first jack and from
Balance counter-force rack loading device；The crossover location of two the second girder steels 1 is fixed in the bottom of steel pipe column 2, the top of steel pipe column 2 with
The output shaft of the first jack 14 is connected, and the base of the first jack 14 is fixed on the position that two the first girder steels 10 intersect；
The output shaft of four the second jack 11 is connected with the side at the top of steel pipe column 2, is set on the base of four the second jack 11
The side for having fixed pulley group, the short cant beam 6 of the first reaction frame is provided with groove, the fixed pulley component on four 11 bases of the second jack
It is not embedded in the groove of the short cant beam 6 of four the first reaction frames；Four beams 12 are individually fixed in the short cant beam of four the second reaction frames
On 13, wherein, four actuator that four the second jack 11 are formed with the short cant beam 6 of four the first reaction frames respectively,
It should be noted that being connected by sliding support between the beam 12 and the short cant beam 13 of the second reaction frame；Steel pipe
The bottom of post 2 is provided with the first universal rigid ball hinged support, and the first universal rigid ball hinged support is fixed on two the second girder steels 1 and intersects
Position, the top of steel pipe column 2 is provided with the second universal rigid ball hinged support, and the second universal rigid ball hinged support is fixed on the 1000th
On the output shaft on jin top 14；First jack 14 and the second jack 11 are hydraulic jack；11, four the second jack
In same plane, and the angle of two neighboring second jack 11 is 90 °.
During experiment, xial feed is applied by the first jack 14 to steel pipe column 2 first and keeps constant, then by making
Dynamic device applies horizontal loading that is unidirectional or moving in circles, to reach in the purpose for producing biaxial bending and shearing in nodes domains.Adopt
After with the device, when simultaneously or sequentially apply in two main shaft planes horizontal loading or along axis of a cylinder to apply xial feed when,
Beam 12 can occur the flexural deformation of any direction, and every beam 12 both can occur the flexural deformation in plane along a certain main shaft,
Can reverse around own axes again, out-of-plane flexural deformation occur, makes the stressing conditions of space frame beam column node to be tested
Compare with force-bearing situation of the space frame beam column node in practical structures under geological process similar.
Claims (10)
1. a kind of charger, it is characterised in that including X-shaped base, four reaction frame quadrate steel pipe columns (5), four the first counter-forces
Frame crossbeam (4), four the second reaction frame crossbeams (9), four 3rd counter-forces frame crossbeam (8), four short cant beams of the first reaction frame
(6), four the second reaction frames short cant beam (13), two the first girder steels (10)；
The X-shaped base is made up of second girder steel (1) of two cross-distribution, the lower end point of four reaction frame quadrate steel pipe columns (5)
The both sides of two second girder steels (1) are not fixed on；
The two ends of the first reaction frame crossbeam (4), the two ends of the second reaction frame crossbeam (9), the two of 3rd counter-force frame crossbeam (8)
End is respectively connected with the side of two neighboring reaction frame quadrate steel pipe column (5), and the first reaction frame crossbeam (4), the second counter-force
Frame crossbeam (9) and 3rd counter-force frame crossbeam (8) are sequentially distributed from top to bottom, four the first reaction frame crossbeams (4), four second anti-
Power frame crossbeam (9) and four 3rd counter-forces frame crossbeam (8) define a square structure, and the two of two the first girder steels (10)
End is individually fixed in the position at four angles of the square structure that four the first reaction frame crossbeams (4) are surrounded, and four first anti-
Two diagonal of the square structure that power frame crossbeam (4) is surrounded are overlapped with two the first girder steels (10) respectively；
In the square structure that four the second reaction frame crossbeams (9) are surrounded, two neighboring side passes through the short cant beam of the first reaction frame (6)
It is connected；
In the square structure that four 3rd counter-forces frame crossbeam (8) surround, two neighboring side passes through the short cant beam of the second reaction frame (13)
It is connected.
2. charger according to claim 1, it is characterised in that also include four the 4th reaction frame crossbeams (7) is adjacent
The lower end of two reaction frame quadrate steel pipe columns (5) is connected with the two ends of the 4th reaction frame crossbeam (7) respectively, and four the 4th counter-forces
Frame crossbeam (7) defines a square structure.
3. charger according to claim 1, it is characterised in that also include four lateral support (3), four lateral
The upper end of support (3) is connected with the side of four reaction frame quadrate steel pipe columns (5) respectively, the lower end of lateral support (3) and reaction frame
The lower end of quadrate steel pipe column (5) is both secured to the one end of same second girder steel (1).
4. charger according to claim 3, it is characterised in that lateral support (3) and coupled
Two girder steels (1) and reaction frame quadrate steel pipe column (5) define a triangular structure.
5. charger according to claim 1, it is characterised in that be fixed on anti-the end of the first reaction frame crossbeam (4)
Side at the top of power frame quadrate steel pipe column (5).
6. a kind of bean column node shock test system, bean column node to be measured include steel pipe column (2) and four beams (12), four beams
(12) one end is connected with the side of steel pipe column (2), and the angle between two neighboring beam (12) is 90 °, four beams
(12) in being generally aligned in the same plane, it is characterised in that including the first jack (14), four the second jack (11) and claim
Charger described in 1；
The crossover location of two the second girder steels (1) is fixed in the bottom of steel pipe column (2), and the top of steel pipe column (2) is very heavy with first
The output shaft on top (14) is connected, and the base of the first jack (14) is fixed on the position that two the first girder steels (10) are intersected；
The output shaft of four the second jack (11) is connected with the side at the top of steel pipe column (2), four the second jack (11)
Base be provided with fixed pulley group, the side of the short cant beam of the first reaction frame (6) is provided with groove, four the second jack (11) bases
On fixed pulley group be embedded in the groove of four the first reaction frames short cant beam (6) respectively；Four beams (12) are individually fixed in four
On individual second reaction frame short cant beam (13).
7. bean column node shock test system according to claim 6, it is characterised in that beam (12) and the second counter-force
It is connected by sliding support between the short cant beam of frame (13).
8. bean column node shock test system according to claim 6, it is characterised in that the bottom of steel pipe column (2)
The first universal rigid ball hinged support is provided with, the first universal rigid ball hinged support is fixed on the position that two the second girder steels (1) are intersected,
The second universal rigid ball hinged support is provided with the top of steel pipe column (2), and the second universal rigid ball hinged support is fixed on the first jack
(14) on output shaft.
9. bean column node shock test system according to claim 6, it is characterised in that the first jack (14) and
Second jack (11) is hydraulic jack.
10. bean column node shock test system according to claim 6, it is characterised in that four second jack
(11) in being generally aligned in the same plane, and the angle of two neighboring second jack (11) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070321.3A CN104677581B (en) | 2015-02-10 | 2015-02-10 | Charger and the bean column node shock test system based on the charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510070321.3A CN104677581B (en) | 2015-02-10 | 2015-02-10 | Charger and the bean column node shock test system based on the charger |
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| Publication Number | Publication Date |
|---|---|
| CN104677581A CN104677581A (en) | 2015-06-03 |
| CN104677581B true CN104677581B (en) | 2017-03-15 |
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| CN201510070321.3A Expired - Fee Related CN104677581B (en) | 2015-02-10 | 2015-02-10 | Charger and the bean column node shock test system based on the charger |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706433B (en) * | 2016-12-30 | 2023-03-24 | 西安建筑科技大学 | Static test device for anti-collapse performance research of multi-layer combined floor beam column structure |
| CN106768637B (en) * | 2016-12-30 | 2023-07-14 | 西安建筑科技大学 | Static test device for research on collapse resistance of space Liang Zhuzi structure |
| CN113109170B (en) * | 2021-04-20 | 2022-10-18 | 中国直升机设计研究所 | Composite material long beam strength test device |
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